1 | #include <Singular/libsingular.h> |
---|
2 | #include <vector> |
---|
3 | #include <iostream> |
---|
4 | |
---|
5 | // global variable potentially storing output |
---|
6 | ideal idealCache=NULL; |
---|
7 | |
---|
8 | std::vector<int> satstdSaturatingVariables; |
---|
9 | |
---|
10 | // //------------------------------------------------------------------------ |
---|
11 | // // example of a routine which changes nothing |
---|
12 | // static BOOLEAN display_sp(kStrategy strat) |
---|
13 | // { |
---|
14 | // // will be call each time a new s-poly is computed (strat->P) |
---|
15 | // // the algorithm assures that strat->P.p!=NULL, in currRing |
---|
16 | // // if strat->P.t_p==NULL: strat->P.p->next is in currRing |
---|
17 | // // otherwise: strat->P.t_p->next==strat->P.p->next, in strat->tailRing |
---|
18 | // // must return TRUE, if strat->P is changed, FALSE otherwise |
---|
19 | // PrintS("a new s-poly found: "); |
---|
20 | // p_Write(strat->P.p,currRing,strat->tailRing); |
---|
21 | // return FALSE; |
---|
22 | // } |
---|
23 | // static BOOLEAN std_with_display(leftv res, leftv args) |
---|
24 | // { |
---|
25 | // if (args!=NULL) |
---|
26 | // { |
---|
27 | // if (args->Typ()==IDEAL_CMD) |
---|
28 | // { |
---|
29 | // ideal I=(ideal)args->Data(); |
---|
30 | // I=kStd(I,currRing->qideal,testHomog,NULL,NULL,0,0,NULL,display_sp); |
---|
31 | // idSkipZeroes(I); |
---|
32 | // res->data=(char*)I; |
---|
33 | // res->rtyp=IDEAL_CMD; |
---|
34 | // return FALSE; |
---|
35 | // } |
---|
36 | // } |
---|
37 | // WerrorS("expected: std_with_display(`idea;`)"); |
---|
38 | // return TRUE; |
---|
39 | // } |
---|
40 | |
---|
41 | //------------------------------------------------------------------------ |
---|
42 | // routine that simplifies the new element by dividing it with the maximal possible |
---|
43 | // partially saturating the ideal with respect to all variables doing so |
---|
44 | static BOOLEAN sat_vars_sp(kStrategy strat) |
---|
45 | { |
---|
46 | BOOLEAN b = FALSE; // set b to TRUE, if spoly was changed, |
---|
47 | // let it remain FALSE otherwise |
---|
48 | if (strat->P.t_p==NULL) |
---|
49 | { |
---|
50 | poly p=strat->P.p; |
---|
51 | if (pNext(p)==NULL) |
---|
52 | { |
---|
53 | // if a term is contained in the ideal, abort std computation |
---|
54 | // and store the whole ring in idealCache to be returned |
---|
55 | while ((strat->Ll >= 0)) |
---|
56 | deleteInL(strat->L,&strat->Ll,strat->Ll,strat); |
---|
57 | idealCache = idInit(1); |
---|
58 | idealCache->m[0] = p_One(currRing); |
---|
59 | return FALSE; |
---|
60 | } |
---|
61 | |
---|
62 | // iterate over all terms of p and |
---|
63 | // compute the minimum mm of all exponent vectors |
---|
64 | int *mm=(int*)omAlloc((1+rVar(currRing))*sizeof(int)); |
---|
65 | int *m0=(int*)omAlloc((1+rVar(currRing))*sizeof(int)); |
---|
66 | p_GetExpV(p,mm,currRing); |
---|
67 | bool nonTrivialSaturationToBeDone=false; |
---|
68 | for (p=pNext(p); p!=NULL; pIter(p)) |
---|
69 | { |
---|
70 | nonTrivialSaturationToBeDone=false; |
---|
71 | p_GetExpV(p,m0,currRing); |
---|
72 | for(int i=0; i<satstdSaturatingVariables.size(); i++) |
---|
73 | { |
---|
74 | int li = satstdSaturatingVariables[i]; |
---|
75 | mm[li]=si_min(mm[li],m0[li]); |
---|
76 | if (mm[li]>0) nonTrivialSaturationToBeDone=true; |
---|
77 | } |
---|
78 | // abort if the minimum is zero in each component |
---|
79 | if (nonTrivialSaturationToBeDone==false) break; |
---|
80 | } |
---|
81 | if (nonTrivialSaturationToBeDone==true) |
---|
82 | { |
---|
83 | // std::cout << "simplifying!" << std::endl; |
---|
84 | p=p_Copy(strat->P.p,currRing); |
---|
85 | strat->P.p=p; |
---|
86 | while(p!=NULL) |
---|
87 | { |
---|
88 | for (int i=1; i<satstdSaturatingVariables.size(); i++) |
---|
89 | { |
---|
90 | int li = satstdSaturatingVariables[i]; |
---|
91 | p_SubExp(p,li,mm[li],currRing); |
---|
92 | } |
---|
93 | p_Setm(p,currRing); |
---|
94 | pIter(p); |
---|
95 | } |
---|
96 | b = TRUE; |
---|
97 | } |
---|
98 | omFree(mm); |
---|
99 | omFree(m0); |
---|
100 | } |
---|
101 | else |
---|
102 | { |
---|
103 | poly p=strat->P.t_p; |
---|
104 | if (pNext(p)==NULL) |
---|
105 | { |
---|
106 | // if a term is contained in the ideal, abort std computation |
---|
107 | // and store the output in idealCache to be returned |
---|
108 | while ((strat->Ll >= 0)) |
---|
109 | deleteInL(strat->L,&strat->Ll,strat->Ll,strat); |
---|
110 | idealCache = idInit(1); |
---|
111 | idealCache->m[0] = p_One(currRing); |
---|
112 | return FALSE; |
---|
113 | } |
---|
114 | |
---|
115 | // iterate over all terms of p and |
---|
116 | // compute the minimum mm of all exponent vectors |
---|
117 | int *mm=(int*)omAlloc((1+rVar(currRing))*sizeof(int)); |
---|
118 | int *m0=(int*)omAlloc((1+rVar(currRing))*sizeof(int)); |
---|
119 | p_GetExpV(p,mm,strat->tailRing); |
---|
120 | bool nonTrivialSaturationToBeDone=false; |
---|
121 | for (p = pNext(p); p!=NULL; pIter(p)) |
---|
122 | { |
---|
123 | nonTrivialSaturationToBeDone=false; |
---|
124 | p_GetExpV(p,m0,strat->tailRing); |
---|
125 | for(int i=0; i<satstdSaturatingVariables.size(); i++) |
---|
126 | { |
---|
127 | int li = satstdSaturatingVariables[i]; |
---|
128 | mm[li]=si_min(mm[li],m0[li]); |
---|
129 | if (mm[li]>0) nonTrivialSaturationToBeDone = true; |
---|
130 | } |
---|
131 | // abort if the minimum is zero in each component |
---|
132 | if (nonTrivialSaturationToBeDone==false) break; |
---|
133 | } |
---|
134 | if (nonTrivialSaturationToBeDone==true) |
---|
135 | { |
---|
136 | p=p_Copy(strat->P.t_p,strat->tailRing); |
---|
137 | strat->P.t_p=p; |
---|
138 | strat->P.p=NULL; |
---|
139 | while(p!=NULL) |
---|
140 | { |
---|
141 | for(int i=1;i<=rVar(currRing);i++) |
---|
142 | p_SubExp(p,i,mm[i],strat->tailRing); |
---|
143 | p_Setm(p,strat->tailRing); |
---|
144 | pIter(p); |
---|
145 | } |
---|
146 | strat->P.GetP(); |
---|
147 | b = TRUE; |
---|
148 | } |
---|
149 | omFree(mm); |
---|
150 | omFree(m0); |
---|
151 | } |
---|
152 | return b; // return TRUE if sp was changed, FALSE if not |
---|
153 | } |
---|
154 | |
---|
155 | // returns 1<=i<=rVar(r) if x is the i-th variable, |
---|
156 | // return 0 otherwise |
---|
157 | static int getVariableIndex(const poly x, const ring r) |
---|
158 | { |
---|
159 | // return 0 if x is not a monomial |
---|
160 | if ((x->next!=NULL) || (!n_IsOne(p_GetCoeff(x,r),r->cf))) |
---|
161 | return 0; |
---|
162 | |
---|
163 | // find the first variable index with non-zero exponent |
---|
164 | int i=1; |
---|
165 | int l=0; |
---|
166 | for (; i<=rVar(r); i++) |
---|
167 | { |
---|
168 | l = p_GetExp(x,i,r); |
---|
169 | if (l>0) break; |
---|
170 | } |
---|
171 | // return 0 if no such l exist or l is bigger than one |
---|
172 | if (l!=1) |
---|
173 | return 0; |
---|
174 | |
---|
175 | // check that remaining variables have zero exponent |
---|
176 | for (i++; i<=rVar(r); i++) |
---|
177 | { |
---|
178 | if (p_GetExp(x,i,r)>0) |
---|
179 | return 0; |
---|
180 | } |
---|
181 | |
---|
182 | return l; |
---|
183 | } |
---|
184 | |
---|
185 | //------------------------------------------------------------------------ |
---|
186 | // routine that simplifies the ideal dividing each generator by the maximal monomial dividing it |
---|
187 | // in particular returns 1 if a generator is a term |
---|
188 | // to be used before starting saturation with respect to all variables |
---|
189 | static void satSimplify(ideal I, const ring r) |
---|
190 | { |
---|
191 | idSkipZeroes(I); |
---|
192 | int k = IDELEMS(I); |
---|
193 | int *mm=(int*)omAlloc((1+rVar(r))*sizeof(int)); |
---|
194 | int *m0=(int*)omAlloc((1+rVar(r))*sizeof(int)); |
---|
195 | for (int i=0; i<k; i++) |
---|
196 | { |
---|
197 | poly p = I->m[i]; |
---|
198 | if (p != NULL) |
---|
199 | { |
---|
200 | // check whether p is a term, return 1 if true |
---|
201 | if (p->next == NULL) |
---|
202 | { |
---|
203 | p_Delete(&I->m[0],r); |
---|
204 | I->m[0] = p_One(r); |
---|
205 | for (int j=1; j<k; j++) |
---|
206 | { |
---|
207 | p_Delete(&I->m[j],r); |
---|
208 | I->m[j] = NULL; |
---|
209 | } |
---|
210 | idSkipZeroes(I); |
---|
211 | omFree(mm); |
---|
212 | omFree(m0); |
---|
213 | return; |
---|
214 | } |
---|
215 | |
---|
216 | // check whether p is divisible by a monomial |
---|
217 | // divide if true |
---|
218 | p_GetExpV(p,mm,r); |
---|
219 | bool satNecessary=false; |
---|
220 | for (; p!=NULL; pIter(p)) |
---|
221 | { |
---|
222 | satNecessary=false; |
---|
223 | p_GetExpV(p,m0,r); |
---|
224 | for(int i=1;i<=rVar(r);i++) |
---|
225 | { |
---|
226 | mm[i]=si_min(mm[i],m0[i]); |
---|
227 | if (mm[i]>0) |
---|
228 | satNecessary=true; |
---|
229 | } |
---|
230 | if (satNecessary==false) |
---|
231 | break; |
---|
232 | } |
---|
233 | if (satNecessary==true) |
---|
234 | { |
---|
235 | for (p=I->m[i]; p!=NULL; pIter(p)) |
---|
236 | { |
---|
237 | for (int i=1; i<=rVar(r); i++) |
---|
238 | p_SubExp(p,i,mm[i],r); |
---|
239 | p_Setm(p,r); |
---|
240 | } |
---|
241 | } |
---|
242 | } |
---|
243 | } |
---|
244 | omFree(mm); |
---|
245 | omFree(m0); |
---|
246 | } |
---|
247 | |
---|
248 | static BOOLEAN satstd(leftv res, leftv args) |
---|
249 | { |
---|
250 | leftv u = args; |
---|
251 | if ((u!=NULL) && (u->Typ()==IDEAL_CMD)) |
---|
252 | { |
---|
253 | leftv v = u->next; |
---|
254 | |
---|
255 | if (v==NULL) |
---|
256 | { |
---|
257 | int n = rVar(currRing); |
---|
258 | satstdSaturatingVariables = std::vector<int>(n); |
---|
259 | for (int i=0; i<n; i++) |
---|
260 | satstdSaturatingVariables[i] = i+1; |
---|
261 | } |
---|
262 | else |
---|
263 | { |
---|
264 | if (v->Typ()==IDEAL_CMD) |
---|
265 | { |
---|
266 | ideal J = (ideal) v->Data(); |
---|
267 | |
---|
268 | int k = idSize(J); |
---|
269 | satstdSaturatingVariables = std::vector<int>(k); |
---|
270 | for (int i=0; i<k; i++) |
---|
271 | { |
---|
272 | poly x = J->m[i]; |
---|
273 | int li = getVariableIndex(x,currRing); |
---|
274 | if (li>0) |
---|
275 | satstdSaturatingVariables[i]=li; |
---|
276 | else |
---|
277 | { |
---|
278 | WerrorS("satstd: second argument only ideals generated by variables supported for now"); |
---|
279 | return FALSE; |
---|
280 | } |
---|
281 | } |
---|
282 | } |
---|
283 | else |
---|
284 | { |
---|
285 | WerrorS("satstd: unexpected parameters"); |
---|
286 | return TRUE; |
---|
287 | } |
---|
288 | } |
---|
289 | |
---|
290 | ideal I = (ideal) u->Data(); |
---|
291 | satSimplify(I,currRing); |
---|
292 | |
---|
293 | idealCache = NULL; |
---|
294 | I=kStd(I,currRing->qideal,testHomog,NULL,NULL,0,0,NULL,sat_vars_sp); |
---|
295 | satstdSaturatingVariables = std::vector<int>(); |
---|
296 | |
---|
297 | res->rtyp=IDEAL_CMD; |
---|
298 | if (idealCache) |
---|
299 | { |
---|
300 | id_Delete(&I,currRing); |
---|
301 | res->data = (char*) idealCache; |
---|
302 | idealCache = NULL; |
---|
303 | } |
---|
304 | else |
---|
305 | { |
---|
306 | idSkipZeroes(I); |
---|
307 | res->data=(char*)I; |
---|
308 | } |
---|
309 | return FALSE; |
---|
310 | } |
---|
311 | WerrorS("satstd: unexpected parameters"); |
---|
312 | return TRUE; |
---|
313 | } |
---|
314 | |
---|
315 | // static BOOLEAN abortIfMonomial_sp(kStrategy strat) |
---|
316 | // { |
---|
317 | // BOOLEAN b = FALSE; // set b to TRUE, if spoly was changed, |
---|
318 | // // let it remain FALSE otherwise |
---|
319 | // if (strat->P.t_p==NULL) |
---|
320 | // { |
---|
321 | // poly p=strat->P.p; |
---|
322 | // if (pNext(p)==NULL) |
---|
323 | // { |
---|
324 | // // if a term is contained in the ideal, abort std computation |
---|
325 | // // and store the output in idealCache to be returned |
---|
326 | // while ((strat->Ll >= 0)) |
---|
327 | // deleteInL(strat->L,&strat->Ll,strat->Ll,strat); |
---|
328 | // std::cout << "aborting!" << std::endl; |
---|
329 | // return FALSE; |
---|
330 | // } |
---|
331 | // } |
---|
332 | // else |
---|
333 | // { |
---|
334 | // poly p=strat->P.t_p; |
---|
335 | // if (pNext(p)==NULL) |
---|
336 | // { |
---|
337 | // // if a term is contained in the ideal, abort std computation |
---|
338 | // // and store the output in idealCache to be returned |
---|
339 | // while ((strat->Ll >= 0)) |
---|
340 | // deleteInL(strat->L,&strat->Ll,strat->Ll,strat); |
---|
341 | // std::cout << "aborting!" << std::endl; |
---|
342 | // return FALSE; |
---|
343 | // } |
---|
344 | // } |
---|
345 | // return b; // return TRUE if sp was changed, FALSE if not |
---|
346 | // } |
---|
347 | // static BOOLEAN abortifmonomialstd(leftv res, leftv args) |
---|
348 | // { |
---|
349 | // if (args!=NULL) |
---|
350 | // { |
---|
351 | // if ((args->Typ()==IDEAL_CMD) && (args->next==NULL)) |
---|
352 | // { |
---|
353 | // ideal I=(ideal)args->Data(); |
---|
354 | // idealCache = NULL; |
---|
355 | // I=kStd(I,currRing->qideal,testHomog,NULL,NULL,0,0,NULL,abortIfMonomial_sp); |
---|
356 | // res->rtyp=IDEAL_CMD; |
---|
357 | // if (idealCache) |
---|
358 | // res->data=(char*)idealCache; |
---|
359 | // else |
---|
360 | // { |
---|
361 | // idSkipZeroes(I); |
---|
362 | // res->data=(char*)I; |
---|
363 | // } |
---|
364 | // return FALSE; |
---|
365 | // } |
---|
366 | // } |
---|
367 | // WerrorS("abortifmonomialstd: unexpected parameters"); |
---|
368 | // return TRUE; |
---|
369 | // } |
---|
370 | |
---|
371 | |
---|
372 | // static long wDeg(const poly p, const ring r) |
---|
373 | // { |
---|
374 | // if (r->order[0] == ringorder_lp) |
---|
375 | // return p_GetExp(p,1,currRing); |
---|
376 | // if (r->order[0] == ringorder_ls) |
---|
377 | // return -p_GetExp(p,1,currRing); |
---|
378 | |
---|
379 | // if (r->order[0] == ringorder_dp) |
---|
380 | // { |
---|
381 | // long d = 0; |
---|
382 | // for (int i=1; i<=rVar(r); i++) |
---|
383 | // d = d + p_GetExp(p,i,r); |
---|
384 | // return d; |
---|
385 | // } |
---|
386 | // if (r->order[0] == ringorder_wp || r->order[0] == ringorder_a) |
---|
387 | // { |
---|
388 | // long d = 0; |
---|
389 | // for (int i=r->block0[0]; i<=r->block1[0]; i++) |
---|
390 | // d = d + p_GetExp(p,i,r)*r->wvhdl[0][i-1]; |
---|
391 | // return d; |
---|
392 | // } |
---|
393 | // if (r->order[0] == ringorder_ws) |
---|
394 | // { |
---|
395 | // long d = 0; |
---|
396 | // for (int i=r->block0[0]; i<=r->block1[0]; i++) |
---|
397 | // d = d - p_GetExp(p,i,r)*r->wvhdl[0][i-1]; |
---|
398 | // return d; |
---|
399 | // } |
---|
400 | // } |
---|
401 | |
---|
402 | // static bool isInitialFormMonomial(const poly g, const ring r) |
---|
403 | // { |
---|
404 | // if (g->next==NULL) |
---|
405 | // return true; |
---|
406 | // return wDeg(g,r)!=wDeg(g->next,r); |
---|
407 | // } |
---|
408 | |
---|
409 | // //------------------------------------------------------------------------ |
---|
410 | // // routine that checks whether the initial form is a monomial, |
---|
411 | // // breaks computation if it finds one, writing the element into idealCache |
---|
412 | // static BOOLEAN sat_sp_initial(kStrategy strat) |
---|
413 | // { |
---|
414 | // BOOLEAN b = FALSE; // set b to TRUE, if spoly was changed, |
---|
415 | // // let it remain FALSE otherwise |
---|
416 | // if (strat->P.t_p==NULL) |
---|
417 | // { |
---|
418 | // poly p=strat->P.p; |
---|
419 | // if (pNext(p)==NULL) |
---|
420 | // { |
---|
421 | // // if a term is contained in the ideal, abort std computation |
---|
422 | // // and store the output in idealCache to be returned |
---|
423 | // while ((strat->Ll >= 0)) |
---|
424 | // deleteInL(strat->L,&strat->Ll,strat->Ll,strat); |
---|
425 | // idealCache = idInit(1); |
---|
426 | // idealCache->m[0] = p_One(currRing); |
---|
427 | // return FALSE; |
---|
428 | // } |
---|
429 | // if (isInitialFormMonomial(p,currRing)) |
---|
430 | // { |
---|
431 | // while ((strat->Ll >= 0)) |
---|
432 | // deleteInL(strat->L,&strat->Ll,strat->Ll,strat); |
---|
433 | // idealCache = idInit(1); |
---|
434 | // idealCache->m[0] = p_Copy(p,currRing); |
---|
435 | // } |
---|
436 | // int *mm=(int*)omAlloc((1+rVar(currRing))*sizeof(int)); |
---|
437 | // int *m0=(int*)omAlloc((1+rVar(currRing))*sizeof(int)); |
---|
438 | // p_GetExpV(p,mm,currRing); |
---|
439 | // int m_null=0; |
---|
440 | // while(p!=NULL) |
---|
441 | // { |
---|
442 | // m_null=0; |
---|
443 | // p_GetExpV(p,m0,currRing); |
---|
444 | // for(int i=1;i<=rVar(currRing);i++) |
---|
445 | // { |
---|
446 | // mm[i]=si_min(mm[i],m0[i]); |
---|
447 | // if (mm[i]>0) m_null++; |
---|
448 | // } |
---|
449 | // if (m_null==0) break; |
---|
450 | // pIter(p); |
---|
451 | // } |
---|
452 | // if (m_null>0) |
---|
453 | // { |
---|
454 | // std::cout << "simplifying!" << std::endl; |
---|
455 | // p=p_Copy(strat->P.p,currRing); |
---|
456 | // strat->P.p=p; |
---|
457 | // while(p!=NULL) |
---|
458 | // { |
---|
459 | // for(int i=1;i<=rVar(currRing);i++) |
---|
460 | // p_SubExp(p,i,mm[i],currRing); |
---|
461 | // p_Setm(p,currRing); |
---|
462 | // pIter(p); |
---|
463 | // } |
---|
464 | // b = TRUE; |
---|
465 | // } |
---|
466 | // omFree(mm); |
---|
467 | // omFree(m0); |
---|
468 | // } |
---|
469 | // else |
---|
470 | // { |
---|
471 | // poly p=strat->P.t_p; |
---|
472 | // if (pNext(p)==NULL) |
---|
473 | // { |
---|
474 | // // if a term is contained in the ideal, abort std computation |
---|
475 | // // and store the output in idealCache to be returned |
---|
476 | // while ((strat->Ll >= 0)) |
---|
477 | // deleteInL(strat->L,&strat->Ll,strat->Ll,strat); |
---|
478 | // idealCache = idInit(1); |
---|
479 | // idealCache->m[0] = p_One(currRing); |
---|
480 | // return FALSE; |
---|
481 | // } |
---|
482 | // if (isInitialFormMonomial(p,strat->tailRing)) |
---|
483 | // { |
---|
484 | // while ((strat->Ll >= 0)) |
---|
485 | // deleteInL(strat->L,&strat->Ll,strat->Ll,strat); |
---|
486 | // nMapFunc identity = n_SetMap(strat->tailRing,currRing); |
---|
487 | // idealCache = idInit(1); |
---|
488 | // idealCache->m[0] = p_PermPoly(p,NULL,strat->tailRing,currRing,identity,NULL,0); |
---|
489 | // } |
---|
490 | // int *mm=(int*)omAlloc((1+rVar(currRing))*sizeof(int)); |
---|
491 | // int *m0=(int*)omAlloc((1+rVar(currRing))*sizeof(int)); |
---|
492 | // p_GetExpV(p,mm,strat->tailRing); |
---|
493 | // int m_null=0; |
---|
494 | // while(p!=NULL) |
---|
495 | // { |
---|
496 | // m_null=0; |
---|
497 | // p_GetExpV(p,m0,strat->tailRing); |
---|
498 | // for(int i=1;i<=rVar(currRing);i++) |
---|
499 | // { |
---|
500 | // mm[i]=si_min(mm[i],m0[i]); |
---|
501 | // if (mm[i]>0) m_null++; |
---|
502 | // } |
---|
503 | // if (m_null==0) break; |
---|
504 | // pIter(p); |
---|
505 | // } |
---|
506 | // if (m_null>0) |
---|
507 | // { |
---|
508 | // std::cout << "simplifying!" << std::endl; |
---|
509 | // p=p_Copy(strat->P.t_p,strat->tailRing); |
---|
510 | // strat->P.t_p=p; |
---|
511 | // strat->P.p=NULL; |
---|
512 | // while(p!=NULL) |
---|
513 | // { |
---|
514 | // for(int i=1;i<=rVar(currRing);i++) |
---|
515 | // p_SubExp(p,i,mm[i],strat->tailRing); |
---|
516 | // p_Setm(p,strat->tailRing); |
---|
517 | // pIter(p); |
---|
518 | // } |
---|
519 | // strat->P.GetP(); |
---|
520 | // b = TRUE; |
---|
521 | // } |
---|
522 | // omFree(mm); |
---|
523 | // omFree(m0); |
---|
524 | // } |
---|
525 | // return b; // return TRUE if sp was changed, FALSE if not |
---|
526 | // } |
---|
527 | // static BOOLEAN satstdWithInitialCheck(leftv res, leftv args) |
---|
528 | // { |
---|
529 | // if (args!=NULL) |
---|
530 | // { |
---|
531 | // if ((args->Typ()==IDEAL_CMD) && (args->next==NULL)) |
---|
532 | // { |
---|
533 | // ideal I=(ideal)args->Data(); |
---|
534 | // idealCache = NULL; |
---|
535 | // I=kStd(I,currRing->qideal,testHomog,NULL,NULL,0,0,NULL,sat_sp_initial); |
---|
536 | // res->rtyp=IDEAL_CMD; |
---|
537 | // if (idealCache) |
---|
538 | // res->data=(char*)idealCache; |
---|
539 | // else |
---|
540 | // res->data=(char*)I; |
---|
541 | // return FALSE; |
---|
542 | // } |
---|
543 | // } |
---|
544 | // WerrorS("satstdWithInitialCheck: unexpected parameters"); |
---|
545 | // return TRUE; |
---|
546 | // } |
---|
547 | |
---|
548 | |
---|
549 | |
---|
550 | //------------------------------------------------------------------------ |
---|
551 | // initialisation of the module |
---|
552 | extern "C" int SI_MOD_INIT(std_demo)(SModulFunctions* p) |
---|
553 | { |
---|
554 | // p->iiAddCproc("std_demo","std_with_display",FALSE,std_with_display); |
---|
555 | p->iiAddCproc("customstd","satstd",FALSE,satstd); |
---|
556 | // p->iiAddCproc("std_demo","satstdWithInitialCheck",FALSE,satstdWithInitialCheck); |
---|
557 | // p->iiAddCproc("std_demo","abortifmonomialstd",FALSE,abortifmonomialstd); |
---|
558 | // PrintS("init of std_demo - type `listvar(Std_demo);` to its contents\n"); |
---|
559 | return (MAX_TOK); |
---|
560 | } |
---|